2149204840

素因数分解:

$2^3\times 5^1\times {\mathrm{4159}}^1\times {\mathrm{12919}}^1$

素因数の和:17089

約数の個数: 32

約数和(自身を含む): 4837248000

約数和(自身を除く): 2688043160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4159, 8318, 12919, 16636, 20795, 25838, 33272, 41590, 51676, 64595, 83180, 103352, 129190, 166360, 258380, 516760, 53730121, 107460242, 214920484, 268650605, 429840968, 537301210, 1074602420, 2149204840]

約数ペア:

[(1, 2149204840), (2, 1074602420), (4, 537301210), (5, 429840968), (8, 268650605), (10, 214920484), (20, 107460242), (40, 53730121), (4159, 516760), (8318, 258380), (12919, 166360), (16636, 129190), (20795, 103352), (25838, 83180), (33272, 64595), (41590, 51676)]